The following lines contain the word 'select', 'insert', 'update' or 'delete':
select structure_id
into l_p_struct_num
from mtl_default_sets_view
where functional_area_id = 2;
select psp.manual_req_num_type
into numbering_type
from po_system_parameters psp;
select address1 || ' ' || address2 || ' ' || address3 into x_address
from hz_locations where location_id = deliver_to_location_id;